generate-diffs-on-albatross-release.yml

name: Create PR to generate and safe AHB diffs to machine-readable-AHBs as soon as ahlbatross has new release.
# this workflow is activated by `ahlbatross` releases, triggering dependabot to bump the version in requirements.txt.

on:
  push:
    branches:
      - ci/trigger-albatross

jobs:
  setup:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.get-version.outputs.version }}
    steps:
      - uses: actions/checkout@v4
      - name: Get latest ahlbatross release version tag
        id: get-release-version-tag
        run: |
          VERSION=$(grep "^ahlbatross==" requirements.txt | cut -d'=' -f3)
          echo "version=$VERSION" >> $GITHUB_OUTPUT

  generate-diffs:
    needs: setup
    runs-on: ubuntu-latest
    strategy:
      matrix:
        ahlbatross_version: ["${{ needs.setup.outputs.version }}"]
    permissions:
      contents: write
      pull-requests: write
      checks: write
      statuses: write

    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-python@v5
        with:
          python-version: "3.13"

      - name: Install updated package
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt

      - name: Generate content
        run: |
          mkdir -p diff
          ahlbatross -i . -o diff

      - name: Create Pull Request
        id: create-pr
        uses: peter-evans/create-pull-request@v7
        with:
          commit-message: "Update AHB diffs for ahlbatross release ${{ matrix.ahlbatross_version }}"
          title: "chore: update AHB diffs for ahlbatross release ${{ matrix.ahlbatross_version }}"
          branch: "update-diffs-${{ matrix.ahlbatross_version }}"
          delete-branch: true
          reviewers: |
            OLILHR
            @Hochfrequenz/python-developers-review-team

      - name: Enable auto-merge
        if: steps.create-pr.outputs.pull-request-operation == 'created'
        run: |
          gh pr merge --auto --merge "${{ steps.create-pr.outputs.pull-request-number }}"
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}